They said the devices were now being tested and would be in use by October.

She had been ordered to find out where and when the first device would be tested.

The device has not yet been tested by hearing experts.

To date, the device has been tested only in animals.

The effect is to either increase or decrease the speed of the device being tested.

"This new device has never been tested, and in today's presentation you will be the first to witness its potential."

Comparative reviews, which test several devices under the same conditions are more useful.

Pakistan is a divided country that has tested nuclear devices.

This device was tested successfully on over 300 patients, and design modifications were later made.

Various other electromechanical devices were tested during the first half of the 20th century with little commercial success.